Medium Type Muffler520mm * 101mm * 51mm; Drum 320mm * 135mm
Large Type Muffler550mm * 101mm * 63mm; Drum 350mm * 155mm
Weight: small 1.8kg; medium 2.6kg; large 3.4kg, plus large 4.2kg
Applicable models: All models (please confirm the size before buying)
1.6L below: recommended to use a small exhaust muffler;
1.6-2.0L: recommended to use a medium exhaust muffler;
More than 2.0L: recommended to use a large muffler or extra large(XL)
What is Muffler?
A muffler is a unit that is mounted on the air duct or in the air intake/outtake system of aerodynamic equipment (e.g. air blower and air compressor) to reduce noise. Muffler is an effective tool to control noise since it can block the spread of sound wave and allow the airflow to pass through.
Types of Muffler.
Dissipative muffler, reactive muffler, dissipative and reactive compound muffler, micro-perforated panel muffler, micropore muffler and active muffler.
Why does the Engine Muffler emit black smoke?
The reason for the above failure is higher blend gravity of inlet gas combustion. In case of this situation, clean or replace the air filter at first. If the problem is not solved, please adjust or clean the engine carburetor.
Why does the muffler emit blue smoke in the running of engine?
The reason for the above failure is that engine oil joins in combustion. After detecting this failure, check oil rule to see if engine oil is in excess at first. If so, run 10 minutes after draining the redundant engine oil. Inspection and repair of the engine are required if the problem is not solved.
How to evaluate the performance of muffler?
The performance of the muffler can be evaluated on the below three aspects:
Noise Elimination Performance is the noise reduction and spectrum characteristic of the muffler. Noise reduction of the muffler is generally expressed with sound transmission loss and insertion loss as well as end sound level difference at air outtake (or air intake) in field test. The spectrum characteristic of the muffler is generally expressed with noise reduction of octave band of 1/3 octave band.
Aerodynamic Performance is resistance loss or resistance coefficient. The resistance loss of the muffler is generally expressed with the full pressure difference between inlet and outlet of the muffler; the resistance coefficient can be worked out with dynamical pressure and resistance loss of the muffler. The aerodynamic performance of the equipment must be affected should the muffler is mounted on the air duct. If only the noise elimination performance of the muffler is concerned with the aerodynamic performance neglected, the efficiency of the equipment might be greatly reduced by the muffler or even the equipment does not work under some circumstances.
Structure Performance: For the mufflers with the same noise elimination performance and aerodynamic performance, the smaller in geometrical size, the cheaper in price, the longer in service life, the better.
Does the airflow have impact on the muffler?
When the airflow passes through the muffler, a new noise is superposed to the original pipe noise and thereby the real use effect of the muffler is affected. This noise is airflow-regenerated noise that is radiated as a result of local resistance force applied to airflow, turbulent flow generated by frictional resistance or vibration of muffler components activated by airflow, The value of the airflow-regenerated noise depends mainly on airflow speed and the structure of the muffler. In general, the higher the airflow speed or the more complicated (such as duct section mutation, bend or obstruction, etc.) the internal structure of the muffler, the bigger the noise generated.
Shandong Huakai Auto Parts Co., Ltd. was established in 2012 in Dezhou, Shandong Province in China. It is one of the biggest automobile spare parts manufacturers in northern China. The main products of our company are three-way catalytic converter, catalyst, muffler and other spare parts related to the vehicle exhaust system. We provide both universal auto parts and OEM service. After many years development, now we have more than 100 employees. Our products have passed ISO9001 international quality system certification and are very popular all over the world. We also have a oversea location in Iran, providing better access to the local market. We sincerely hope to cooperate with friends all over the world.
1. Good quality and competitive price to maximize our customers benefit.
2. Over 10 years experience of auto parts.
3. Professional export team an quick service.
4. Fast and safe delivery.
5. Good after-sale service.
1. What is your terms of payment?
50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
2. How about your delivery time?
Generally, it will take 7-15days. The specific delivery time depends on the items and the quantity of your order.
3. Can you produce according to the samples?
Yes, we can produce according to your samples or technical drawings. We can build the molds and fixtures.
4. Do you test all your goods before delivery?
Yes, we have 100% test before delivery.
Name: Mike Wong
Mobile NO.: +86 15562587583
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